Question: What was the population of the Central African Republic in 1987?
Paraphrase: Which was the number of population in Central African Republic in 1987?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q929 p:P1082 ?s . ?s ps:P1082 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1987')) }